interjectional

例句：

1. 1. The teacher's comment was an interjectional addition to the lesson.
   老师的评论是课堂上的一个插话。
2. 2. In a play, interjectional dialogue is essential for conveying emotions and setting the scene.
   在戏剧中，插话对话对于传达情感和营造场景至关重要。
3. 3. During the presentation, the speaker interjected with humor to keep the audience engaged.
   在演讲过程中，演讲者插入幽默以保持观众的兴趣。